save project

jk.py

 import turtle
 pen =turtle.Pen()
 screen=turtle.Screen()
-len=60
+len=screen.textinput("提示","要多大的呢？")
+lovesize=int(len)
 screen.bgcolor("light blue")
 pen.color("red")
 pen.write("死去元知万事空\n但悲不见九州同\n王师北定中原日\n家祭无忘告乃翁",font=("Times",40,"normal"))
@@ -12,10 +13,10 @@ pen1.penup()
 pen1.goto(-30,40)
 pen1.pendown()
 pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*lovesize)
+pen1.circle(lovesize,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(lovesize,180)
+pen1.forward(2*lovesize)
 pen1.hideturtle()
 turtle.done()